1999 LAND ROVER DEFENDER ECU

ELECTRICAL
1
ADJUSTMENT HEADLAMPS - ALIGN BEAM
Service repair no - 86.40.17
Check
1.Align suitable beam setting equipment to
headlamp.
2.Ensure headlamp height adjustment switch set
to’O’and headlamps switch on.
Headlamp setting = 1.2% below horizontal and
parallel.
Adjust
3.Align beam setting equipment to 2nd headlamp
and adjust 2nd lamp as necessary.
4.Switch off headlamps.
5.Remove beamsetter.SOLENOID/MOTOR - FRONT DOOR - ADJUST
Service repair no - 86.26.21
Adjust
1.Remove door trim casing.See CHASSIS AND
BODY, Repair.
M86 5629
2.Carefully peel back plastic sheet to expose
mechanism.
3.Release clip and detach solenoid link from latch.
M86 5630
4.Ensure sill button is fully raised.
5.Fully extend solenoid actuator then lower 3.5
mm +/- 1.00 mm.
6.Whilst holding actuator in this position, adjust
length of link, until link pin is aligned with hole in
latch lever.
7.Connect link and secure with clip.
8.Secure plastic sheet.
9.Fit door trim casing.See CHASSIS AND
BODY, Repair.
ProCarManuals.com

86ELECTRICAL
2
REPAIR STARTER MOTOR
Service repair no - 86.60.01
Remove
1.Remove battery cover.
2.Disconnect battery negative lead.
3.Remove fixings and remove underbelly panel.
4.Disconnect Lucar from starter solenoid.
5.Remove nut and disconnect battery lead from
starter solenoid.
6.Remove nut and 2 bolts securing starter to
gearbox housing. Remove starter.
Refit
7.Clean starter motor and mating face.
8.Position starter and tighten nut and 2 bolts to27
Nm (20 lbf.ft)
9.Connect lead to starter solenoid and tighten nut.
10.Connect Lucar to starter solenoid.
11.Fit underbelly panel.
12.Reconnect battery negative lead.
13.Fit battery cover.CENTRE HIGH MOUNTED STOP LIGHT (CHMSL) -
UP TO 02MY
Service repair no - 86.41.32
Remove
1.Remove 2 screws securing lamp cover.
2.Remove lamp cover.
3.Disconnect 2 Lucars from bulb holder.
4.Remove 2 nuts securing lamp to tail door.
5.Remove lamp.
6.Collect gasket.
Refit
7.Position gasket.
8.Position lamp.
9.Secure lamp with nuts.
10.Connect Lucars to bulb holder.
11.Fit lamp cover.
12.Secure cover with screws.
ProCarManuals.com

ELECTRICAL
3
REPAIR ALTERNATOR
Service repair no - 86.10.02
Remove
1.Remove auxilliary drive belt.See this Section.
2.Release cover and remove nut securing lead to
alternator.
3.Disconnect alternator multiplug.
4.Remove bolt (LH thread) and remove auxiliary
drive belt tensioner.
5.Remove bolt securing support stay to alternator.
6.Release clip securing lubrication drain hose to
vacuum pump.
7.Loosen vacuum pump lubrication pipe from
cylinder head and discard’O’ring.
8.Remove bolt securing alternator and release
from mounting bracket.
9.Disconnect hose from vacuum pump.
10.Remove alternator taking care not to damage
radiator cooling fins.
11.Remove 4 bolts, and remove vacuum pump from
alternator.
CAUTION: Plug the connections.
ProCarManuals.com

86ELECTRICAL
4
REPAIR Refit
12.Clean mating face of alternator and vacuum
pump.
13.Fit vacuum pump to alternator and tighten bolts
to10 Nm (7 lbf.ft).
14.Position alternator and connect multiplug.
15.Connect vacuum hose and oil drain hose to
vacuum pump and secure clip.
16.With assistance align alternator to mounting
bracket and fit but do not tighten bolt.
17.Fit bolt securing support stay to alternator and
tighten to25 Nm (18 lbf.ft).
18.Tighten alternator to mounting bracket bolt to45
Nm (33 lbf.ft).
19.Using new’O’ring, fit and tighten lubrication pipe
union to10 Nm (8 lbf.ft).
20.Connect lead to alternator and tighten nut to6
Nm (4.4 lbf.ft).
21.Fit auxilliary drive belt tensioner and tighten bolt
to50 Nm (37 lbf.ft).
22.Fit auxilliary drive belt.See this Section.HORN - LH
Service repair no - 86.30.10
Remove
1.Remove LH headlamp.See this Section.
2.Disconnect horn multiplug.
3.Remove nut and remove horn from mounting
bracket.
Refit
4.Position horn, tighten securing and connect
multiplug.
5.Fit LH headlamp.See this Section.
ProCarManuals.com

ELECTRICAL
5
REPAIR HEADLAMP
Service repair no - 86.40.49
Remove
1.Remove 4 screws and release side and indicator
lamps from wing.
2.Disconnect multiplugs and remove side and
indicator lamps.
3.Remove 2 screws and remove headlamp
finisher.
4.Remove 4 screws securing headlamp to wing,
disconnect multiplugs and remove headlamp.
5.Remove headlamp seal.Refit
6.Fit headlamp seal.
7.Position headlamp, connect multiplugs, fit and
tighten headlamp screws.
8.Fit headlamp finisher and secure with screws.
9.Position side and indicator lamps, connect
multiplugs and secure with screws.
10.Reset headlamp alignment.See Adjustment.
ProCarManuals.com

86ELECTRICAL
6
REPAIR LAMP - TAIL
Service repair no - 86.40.70
Remove
1.Remove 2 screws securing tail lamp to body.
2.Disconnect multiplug and remove lamp.
Refit
3.Position tail lamp and connect multiplug.
4.Fit and tighten lamp securing screws.RADIO
Service repair no - 86.50.03
Remove1.Using toolSMD 4091release radio from cage.
2.Disconnect coaxial cable from radio.
3.Disconnect 2 multiplugs from radio.
4.Remove radio from fascia.
Refit
5.Position radio to fascia and connect multiplugs.
6.Connect coaxial cable to radio.
7.Secure radio in cage.
ProCarManuals.com

ELECTRICAL
7
REPAIR SPEAKER - FRONT
Service repair no - 86.50.15
Remove
1.Remove 4 screws securing speaker to fascia.
2.Release speaker from fascia and disconnect 2
Lucars.
3.Remove speaker.
Refit
4.Position speaker to fascia and connect Lucars.
5.Fit speaker to fascia and secure with screws.SWITCH - TRANSMISSION BRAKE
Service repair no - 86.65.45
Remove1.Release cover from transmission brake lever.
2.Remove 2 bolts and release transmission brake
lever from body.
3.Disconnect Lucar from transmission brake
warning switch.
4.Remove 2 screws securing switch from brake
lever and remove switch.
Refit
5.Fit switch to brake lever and tighten screws.
6.Connect switch Lucar.
7.Position brake lever and tighten bolts to22 Nm
(16 lbf.ft).
8.Position cover to brake lever.
ProCarManuals.com

86ELECTRICAL
8
REPAIR LAMP - FRONT FLASHER
Service repair no - 86.40.42
Remove
1.Remove 2 screws securing flasher lamp to front
wing.
2.Disconnect multiplug and remove lamp.
Refit
3.Position flasher lamp and connect multiplug.
4.Fit and tighten lamp securing screws.BATTERY - DISCONNECT - FROM 02MY
Service repair no - 86.15.99
Remove
1.Remove front seat cushion.
2.Release clip and remove battery cover.
3.Loosen bolt securing negative earth lead, do not
remove lead at this stage.
4.Fit ignition key, turn to position’II’. Turn ignition
off, remove key from lock and immediately
remove negative lead.
Refit
5.Connect negative lead to negative terminal and
tighten bolt to10 Nm (7 lbf.ft).
6.Fit and secure battery cover.
7.Fit seat cushion.
ProCarManuals.com